The Last Immortal Season 1 Episode 29
Painful Past
Feng Yin remembers her painful past after seeing Yuan Qi. She returns to the aqua beast's habitat, but she bumps into Yuan Qi, who brought Yu to the same place for an investigation. She intends to leave, but Yu finds her. Yu approaches her naturally and heals her wound with her aqua beast power. Feng Yin is stunned. Only then she found out that her sister had already grown up and acquired a human form. She is elated and treats Yu gently.